The Occurrence of Human Identical Twins Is Evidence That

question 9

Multiple Choice

The occurrence of human identical twins is evidence that:

• A) all human cells are totipotent.
• B) no human totipotent cells have been identified.
• C) the only totipotent human cell is the one-cell embryo.
• D) cells in a two-cell human embryo are totipotent.
• E) cells in a two-cell human embryo are pluripotent.

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Definitions:

Random Samples

A selection method used in research to gather participants from a larger population in a way that each individual has an equal chance of being chosen.

Population Averages

Statistical measures that summarize the central tendency of a collection of data, representing the average characteristics of a population.

Standard Deviation

A statistical measure that quantifies the variation or dispersion of a set of numerical data.

Rough Estimate

A preliminary and imprecise calculation or assessment, often made without access to all relevant data.